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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A333208 a(n) is the numerator of Sum_{i >= 0} 1/(Lucas(i)*Lucas(i+2n)), with Lucas(i) as defined in A000032.

Table of values

n a(n)
1 1
2 7
3 551
4 48091
5 2148268
6 87644575267
7 161577754532123
8 36595152483523582367
9 16965509829762630129638831
10 173107561150078104051618631740949
11 1108595900580419409151086339986148307
12 2608169750203411467722731179728125652086612772

List of values

[1, 7, 551, 48091, 2148268, 87644575267, 161577754532123, 36595152483523582367, 16965509829762630129638831, 173107561150078104051618631740949, 1108595900580419409151086339986148307, 2608169750203411467722731179728125652086612772]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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